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•Useonlyapprovedtoolsandtestequipment.Somehandtoolshavehandlescoveredwithasoftmaterial
thatdoesnotinsulateyouwhenworkingwithliveelectricalcurrents.
•Manycustomershave,neartheirequipment,rubberoormatsthatcontainsmallconductivebersto
decreaseelectrostaticdischarges.Donotusethistypeofmattoprotectyourselffromelectricalshock.
•Findtheroomemergencypower-off(EPO)switch,disconnectingswitch,orelectricaloutlet.Ifanelectrical
accidentoccurs,youcanthenoperatetheswitchordisconnectthemicro-USBcablequickly.
•Donotworkaloneunderhazardousconditionsornearequipmentthathashazardousvoltages.
•Disconnectallpowerbefore:
–Performingamechanicalinspection
–Workingnearpowersupplies
–Removingorinstallingmainunits
•Beforeyoustarttoworkonthemachine,disconnectthemicro-USBcable.Ifyoucannotunplugit,power
offthewallboxthatsuppliespowertothemachine,andlockthewallboxintheoffposition.
•Ifyouneedtoworkonamachinethathasexposedelectricalcircuits,observethefollowingprecautions:
–Ensurethatanotherperson,familiarwiththepower-offcontrols,isnearyou.
Attention:Anotherpersonmustbetheretoswitchoffthepower,ifnecessary.
–Useonlyonehandwhenworkingwithpowered-onelectricalequipment;keeptheotherhandinyour
pocketorbehindyourback.
Attention:Anelectricalshockcanoccuronlywhenthereisacompletecircuit.Byobservingtheabove
rule,youmaypreventacurrentfrompassingthroughyourbody.
–Whenusingtesters,setthecontrolscorrectlyandusetheapprovedprobeleadsandaccessoriesfor
thattester.
–Standonsuitablerubbermats(obtainedlocally,ifnecessary)toinsulateyoufromgroundssuchas
metaloorstripsandmachineframes.
Observethespecialsafetyprecautionswhenyouworkwithveryhighvoltages;Instructionsforthese
precautionsareinthesafetysectionsofmaintenanceinformation.Useextremecarewhenmeasuring
highvoltages.
•Regularlyinspectandmaintainyourelectricalhandtoolsforsafeoperationalcondition.
•Donotusewornorbrokentoolsandtesters.
•Neverassumethatpowerhasbeendisconnectedfromacircuit.First,checkthatithasbeenpoweredoff.
•Alwayslookcarefullyforpossiblehazardsinyourworkarea.Examplesofthesehazardsaremoistoors,
nongroundedpowerextensioncables,powersurges,andmissingsafetygrounds.
•Donottouchliveelectricalcircuitswiththereectivesurfaceofaplasticdentalmirror.Thesurfaceis
conductive;suchtouchingcancausepersonalinjuryandmachinedamage.
•Donotservicethefollowingpartswiththepoweronwhentheyareremovedfromtheirnormaloperating
placesinamachine:
–Powersupplyunits
–Pumps
–Motorgenerators
–Similarunitstolistedabove
Thispracticeensurescorrectgroundingoftheunits.
•Ifanelectricalaccidentoccurs:
–Usecaution;donotbecomeavictimyourself.
–Switchoffpower.
–Sendanotherpersontogetmedicalaid.
2HardwareMaintenanceManual
- HardwareMaintenanceManual 1
- FifthEdition(September2012) 2
- ©CopyrightLenovo2011,2012 2
- Contents 3
- Aboutthismanual 5
- Chapter1.Safetyinformation 7
- Safetyinspectionguide 9
- Groundingrequirements 10
- Chapter1.Safetyinformation5 11
- 6HardwareMaintenanceManual 12
- .Safetyinformation7 13
- Chapter1.Safetyinformation9 15
- Chapter1.Safetyinformation11 17
- 12HardwareMaintenanceManual 18
- .Safetyinformation13 19
- 14HardwareMaintenanceManual 20
- .Safetyinformation15 21
- 16HardwareMaintenanceManual 22
- .Safetyinformation17 23
- 18HardwareMaintenanceManual 24
- StrategyforreplacingFRUs 25
- Productdenition 26
- 22HardwareMaintenanceManual 28
- Chapter3.Generalcheckout 29
- Powersystemcheckout 30
- Checkingtheinternalbattery 30
- 2 3 (5V) 31
- 26HardwareMaintenanceManual 32
- Lockingthescreen 33
- Powermanagement 35
- Screenblankmode 35
- ThinkPadTabletRecoveryConsole 36
- KeyboardFolioCase 37
- 32HardwareMaintenanceManual 38
- Screwnotices 39
- 1010ThinkPadTabletPen 42
- StepScrew(quantity)Color 43
- (1.85kgf-cm) 43
- 38HardwareMaintenanceManual 44
- .RemovingandreplacingaFRU39 45
- 1030Speakerassembly 46
- Black0.181Nm 47
- 42HardwareMaintenanceManual 48
- 1060LCDmoduleassembly 50
- 1070Buttonboard 51
- 1080Microphoneassembly 51
- 46HardwareMaintenanceManual 52
- 48HardwareMaintenanceManual 54
- 50HardwareMaintenanceManual 56
- 52HardwareMaintenanceManual 58
- Chapter9.Partslist 59
- 54HardwareMaintenanceManual 60
- .Partslist55 61
- 56HardwareMaintenanceManual 62
- .Partslist57 63
- Miscellaneousparts 65
- ThinkPadTabletACCharger 65
- Micro-USBcable 66
- Chapter9.Partslist61 67
- Commonservicetools 68
- Electronicemissionnotices 69
- Trademarks 69
- 64HardwareMaintenanceManual 70
- *1P0A96158_04* 72
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